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    <title>Document</title>
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<body>
    <script>
        //柯里化思想

        //请实现以下效果
        function add (a, b,c) {
            return a + b +c
        }
        console.log(add.length);

        const res = add(1, 2, 3) //6
        //要求声明一个curry函数，函数add经过curry函数的处理后，每次调用只能接收一个参数
        // const curry = (f) => { 
        //     return function(a){
        //         return function(b){
        //             return function(c){
        //                 return f(a,b,c);
        //             }
        //     }
        // }
        // }
        const curry =(f)=>{
          return function f1(...a){
            if(a.length>=f.length) {
                return f(...a)
            }else {
                return function(b){
                    a=[...a,b]
                    return f1(...a)
                }
            }
          }

           
        }


        let addCurry = curry(add)
        
        // console.log(addCurry);
        const res2 = addCurry(1)(2)(3)//6

        console.log(res2);
    </script>
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